0.5.2

Changed the Dedicated server tick rate from 45 to 60.
Improved Saving and loading.
Added a Workbench.
Added a jetpack which can be crafted in the Workbench, the Jetpack will need Hydrogen to work.
Added a personal shield which can be crafted in the Workbench.
changed Ai movement updated, AI should now move smoother.
Changed the base Oxygen usage from 0.5 to 0.25.
Changed the Oxygen increase and decrease to 0.02.
fixed unable to craft Vehicle Assembly.
fixed AI_Chaser now stops while playing the hit Animation.

New saving vs old Saving.